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Final Results of the Korea Infant Physical Growth Examination Survey (2020-2024)

Sungha Yun1, Doyeon Kim1, Kyungwon Oh1

  • 1Division of Health and Nutrition Survey and Analysis, Department of Chronic Disease Prevention and Control, Korea Disease Control and Prevention Agency, Cheongju, Korea.

Jugan Geon-Gang Gwa Jilbyeong
|January 26, 2026
PubMed

Insights

New Korean infant growth data shows higher median measurements than the 2017 Growth Chart, especially in younger infants. Breastfed infants align closer to World Health Organization (WHO) standards.

Area of Science:

  • Pediatric Growth Monitoring
  • Anthropometry
  • Public Health Surveillance

Background:

  • Growth charts are crucial for assessing child development and identifying issues like underweight and obesity.
  • The 2017 Korean National Growth Chart, based on World Health Organization (WHO) standards, is the current national reference.
  • Accurate, domestic anthropometric data is essential for refining national growth standards.

Purpose of the Study:

  • To present findings from the Korea Infant Physical Growth Examination Survey (2020-2024).
  • To establish growth standards using recent Korean anthropometric data for infants aged 0-23 months.
  • To inform the development of future Korean National Growth Charts.

Main Methods:

  • Analysis of anthropometric measurements from infants aged 0-23 months.
  • Comparison of collected data against the 2017 Korean National Growth Chart (WHO-based).
  • Calculation of median and percentile values for length, weight, and weight-for-length.

Main Results:

  • Infant median and percentile measurements were generally higher than the 2017 Growth Chart, particularly in younger age groups.
  • Measurements converged towards the 2017 Growth Chart by 22-23 months of age.
  • Positive Z-scores were observed, with breastfed infants showing values closer to reference standards.

Conclusions:

  • This study provides the first longitudinal, standardized anthropometric data for Korean infants.
  • Findings offer a valuable resource for future research on infant growth in Korea.
  • The 2027 Korean National Growth Chart will consider these findings and WHO standards for continued application.
Abstract

Keywords:
Childhood obesityChildhood underweightGrowth chartsKorea infant physical growth examination survey

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